There is nothing worse than a pully dog!

Audible training aid Does your dog pull you down the street each time you go for a walk? Train your dog instantly with the tweeter whistle. Device attaches to dog’s leash and emits a non-electric whistling tone when pulled. Use with verbal command to stop pulling and [...]

Little Bonnie whistle Jailbreak Hotel to you …..
- Whistle Ape
More info about the first whistle ape here